diff --git a/lower-constraints.txt b/lower-constraints.txt
deleted file mode 100644
index 44e536139..000000000
--- a/lower-constraints.txt
+++ /dev/null
@@ -1,25 +0,0 @@
-PyYAML==3.13
-appdirs==1.3.0
-cliff==2.8.0
-coverage==4.0
-ddt==1.0.1
-dogpile.cache==0.8.0
-fixtures==3.0.0
-jsonschema==3.2.0
-keystoneauth1==3.11.0
-openstacksdk==0.18.0
-osc-lib==2.0.0
-oslo.config==6.3.0
-oslo.log==3.36.0
-oslo.utils==3.33.0
-oslotest==3.2.0
-pbr==2.0.0
-python-cinderclient==7.2.1
-python-novaclient==9.0.0
-python-openstackclient==3.12.0
-requests-mock==1.2.0
-requests==2.14.2
-stestr==1.0.0
-stevedore==1.20.0
-tempest==25.0.0
-testtools==2.2.0
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 33aae56bb..e218bc6e3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,7 @@
+# Requirements lower bounds listed here are our best effort to keep them up to
+# date but we do not test them so no guarantee of having them all correct. If
+# you find any incorrect lower bounds, let us know or propose a fix.
+
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
diff --git a/tox.ini b/tox.ini
index e75a4125a..7c8ba3228 100644
--- a/tox.ini
+++ b/tox.ini
@@ -91,9 +91,3 @@ application-import-names = ironicclient
 
 [hacking]
 import_exceptions = testtools.matchers, ironicclient.common.i18n
-
-[testenv:lower-constraints]
-deps =
-  -c{toxinidir}/lower-constraints.txt
-  -r{toxinidir}/test-requirements.txt
-  -r{toxinidir}/requirements.txt
diff --git a/zuul.d/project.yaml b/zuul.d/project.yaml
index 3b9e1dd54..64396d3ee 100644
--- a/zuul.d/project.yaml
+++ b/zuul.d/project.yaml
@@ -2,7 +2,6 @@
     templates:
       - check-requirements
       - openstack-cover-jobs
-      - openstack-lower-constraints-master-branch-jobs
       - openstack-python3-zed-jobs
       - openstackclient-plugin-jobs
       - publish-openstack-docs-pti